Boiler Fire Tube Replacement from Mexico
A replacement fire tube designed for insertion into industrial steam generating boilers to facilitate heat transfer from combustion gases to water. It falls under HTS 8402.90.00.90 as a specific part of vapor generating boilers, distinct from central heating hot water boilers.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify compatibility with boiler model via technical specs to avoid misclassification as unrelated machinery parts
• Include detailed engineering drawings and manufacturer certifications in documentation to prove it's a dedicated boiler component